Operational mode icon for a display screen of a control unit for a surgical device



The single FIGURE is a front view of an operation mode icon for a display screen of a control unit for a surgical device, the broken line drawings of a display screen and graphical elements are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an operational mode icon for a display screen of a control unit for a surgical device, as shown and described. 